Put a stop to attacks with Zero Spam.

Stop website attacks before they start with Zero Spam. Powered by the largest, community-sourced, IP, username & email blacklist database.

Protecting your site or application has become a necessity. Privacy law crackdowns, more sophisticated spambots, malicious AI advances & growing hacker networks are making it harder to prevent and detect attacks. That’s where Zero Spam comes in.

It’s the largest, most comprehensive, community-sourced IP, username, and email blacklist databases available. Our global detection network of over 30,000+ apps and sites monitor traffic, usage then reports malicious access attempts and submissions in real-time.

Zero Spam

Over 4,808,302 attacks blocked on more than 11,353 sites.

Statistics updated daily.


It’s easy to integrate Zero Spam into any website or application. Check out our installation guide for more information.

Get a license.

Upgrade to a license to gain access to enhanced protection, exclusive user reporting, more requests, and premium support.


Search our database of reported spammy and malicious IP addresses, usernames, and emails.

I’m really skeptical of any plugin claiming “zero spam”, but I am honestly shocked at how well it’s performed... we’ve gone from 50+ spam comments and contact form attempts per day to zero.

Creative Cat Apps

Frequently Asked Questions

Find answers to common questions about Zero Spam’s IP blacklist below. Can’t find your question? Contact us.

Of course! But don't take our word for it. Do your own research on our detection and blocking success rates. Every site is different, but on average, we're seeing about a 96.8% decrease in spam and malicious attempts when using Zero Spam.

Zero Spam uses numerous and regularly updated spam & malicious detection techniques like Honeypot, IP history, and more including our own AI-powered Zero Spam Confidence Score to detect and stop these attacks before they begin.

Are you a website or application owner or developer? Malicious & spammy users are like taxes, you can always count on them. Zero Spam can help protect your app from them and before the attack starts.

Zero Spam offers a four different levels, including FREE! Try it out & see the results before you spent a penny for full-time protection. Compare our subscriptions to find which is best for your needs.

Yes! Search for WordPress Zero Spam or download it from the WordPress plugin repository.